Triple

T4797852
Position Surface form Disambiguated ID Type / Status
Subject Plzeň main railway station E106755 entity
Predicate railwayLine P848 FINISHED
Object Plzeň–Žatec railway line
The Plzeň–Žatec railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with Žatec and serving towns across western Bohemia.
 E479957 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Plzeň–Žatec railway line | Statement: [Plzeň main railway station, railwayLine, Plzeň–Žatec railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Plzeň–Žatec railway line
Context triple: [Plzeň main railway station, railwayLine, Plzeň–Žatec railway line]
  • A. Plzeň–Klatovy railway line
    The Plzeň–Klatovy railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with the town of Klatovy and serving as an important link in western Bohemia’s rail network.
  • B. Plzeň–Cheb railway line
    The Plzeň–Cheb railway line is a major rail route in western Czechia connecting the city of Plzeň with the border city of Cheb and forming part of an important corridor toward Germany.
  • C. Prague–Plzeň railway line
    The Prague–Plzeň railway line is a major Czech rail corridor connecting the capital city Prague with the industrial and regional hub of Plzeň, serving both passenger and freight traffic.
  • D. Hradec Králové–Jičín railway
    The Hradec Králové–Jičín railway is a regional rail line in the Czech Republic connecting the cities of Hradec Králové and Jičín.
  • E. Hradec Králové–Letohrad railway
    The Hradec Králové–Letohrad railway is a regional rail line in the Czech Republic connecting the city of Hradec Králové with the town of Letohrad, serving passenger and local transport across eastern Bohemia.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Plzeň–Žatec railway line
Triple: [Plzeň main railway station, railwayLine, Plzeň–Žatec railway line]
Generated description
The Plzeň–Žatec railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with Žatec and serving towns across western Bohemia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Plzeň–Žatec railway line
Target entity description: The Plzeň–Žatec railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with Žatec and serving towns across western Bohemia.
  • A. Plzeň–Klatovy railway line
    The Plzeň–Klatovy railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with the town of Klatovy and serving as an important link in western Bohemia’s rail network.
  • B. Plzeň–Cheb railway line
    The Plzeň–Cheb railway line is a major rail route in western Czechia connecting the city of Plzeň with the border city of Cheb and forming part of an important corridor toward Germany.
  • C. Prague–Plzeň railway line
    The Prague–Plzeň railway line is a major Czech rail corridor connecting the capital city Prague with the industrial and regional hub of Plzeň, serving both passenger and freight traffic.
  • D. Hradec Králové–Jičín railway
    The Hradec Králové–Jičín railway is a regional rail line in the Czech Republic connecting the cities of Hradec Králové and Jičín.
  • E. Hradec Králové–Letohrad railway
    The Hradec Králové–Letohrad railway is a regional rail line in the Czech Republic connecting the city of Hradec Králové with the town of Letohrad, serving passenger and local transport across eastern Bohemia.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69bd43f591c881909e5a532388b0f3f3 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6632708c8190b627d99363ab062c completed March 20, 2026, 3:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69be778861a88190bf7c9f04d903a5e2 completed March 21, 2026, 10:48 a.m.
NEDg Description generation batch_69be780ae75481909eb49592d052a572 completed March 21, 2026, 10:50 a.m.
NED2 Entity disambiguation (via description) batch_69be783867c481908440f6e92ba5ddb8 completed March 21, 2026, 10:51 a.m.
Created at: March 20, 2026, 1:22 p.m.